formbook | 2deb22be02f4464416048e124a39c1a8df4f29ba90d783d27bfcefa29ddce161

General

Target

Booking Declined.scr
Size

1.1MB
MD5

72014c837d630e0eb8b79d0995166d47
SHA1

57ea4b26a34c0779ae9767cc957452883475cadc
SHA256

2deb22be02f4464416048e124a39c1a8df4f29ba90d783d27bfcefa29ddce161
SHA512

c74de6fc4b35c52b25062ca5d82f93e93f5978eebacac89fc6e473d6c52141b0737fccbd7810820a5c31ad08ad7288b86f6784b7e9ced821bab13d4a2c8b4c69

Score

10^/10

formbook evasion rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.evolvekitchendesign.com/ffw/

Decoy

unmutedgenerations.com

localmoversuae.com

centralrea.com

geyyfphzoe.com

silverpackfactory.com

techtronixx.com

shop-deinen-deal.com

buehne.cloud

inspirefreedomtoday.com

chapelcouture.com

easton-taiwan.com

quanaonudep.store

merzigomusic.com

wpzoomin.com

service-lkytrsahdfpedf.com

yeasuc.com

mydogtrainingservice.com

galeribisnisonline.com

cscremodeling.com

bom-zzxx.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/960-65-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/960-66-0x000000000041EB50-mapping.dmp	formbook
behavioral1/memory/2040-76-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Booking Declined.scr

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Booking Declined.scr
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Booking Declined.scr

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

664 cmd.exe

pid	process
664	cmd.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Booking Declined.scr

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Booking Declined.scr
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Booking Declined.scr

Suspicious use of SetThreadContext 3 IoCs

Processes:

Booking Declined.scrBooking Declined.screxplorer.exe

description	pid	process	target process
PID 792 set thread context of 960	792	Booking Declined.scr	Booking Declined.scr
PID 960 set thread context of 1204	960	Booking Declined.scr	Explorer.EXE
PID 2040 set thread context of 1204	2040	explorer.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

Booking Declined.screxplorer.exe

pid	process
960	Booking Declined.scr
960	Booking Declined.scr
2040	explorer.exe
2040	explorer.exe
2040	explorer.exe
2040	explorer.exe
2040	explorer.exe
2040	explorer.exe
2040	explorer.exe
2040	explorer.exe
2040	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Booking Declined.screxplorer.exe

pid process

960 Booking Declined.scr
960 Booking Declined.scr
960 Booking Declined.scr
2040 explorer.exe
2040 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Booking Declined.screxplorer.exe

description pid process

Token: SeDebugPrivilege 960 Booking Declined.scr
Token: SeDebugPrivilege 2040 explorer.exe

description	pid	process
Token: SeDebugPrivilege	960	Booking Declined.scr
Token: SeDebugPrivilege	2040	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Booking Declined.scrExplorer.EXEexplorer.exe

description	pid	process	target process
PID 792 wrote to memory of 960	792	Booking Declined.scr	Booking Declined.scr
PID 792 wrote to memory of 960	792	Booking Declined.scr	Booking Declined.scr
PID 792 wrote to memory of 960	792	Booking Declined.scr	Booking Declined.scr
PID 792 wrote to memory of 960	792	Booking Declined.scr	Booking Declined.scr
PID 792 wrote to memory of 960	792	Booking Declined.scr	Booking Declined.scr
PID 792 wrote to memory of 960	792	Booking Declined.scr	Booking Declined.scr
PID 792 wrote to memory of 960	792	Booking Declined.scr	Booking Declined.scr
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	explorer.exe
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	explorer.exe
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	explorer.exe
PID 1204 wrote to memory of 2040	1204	Explorer.EXE	explorer.exe
PID 2040 wrote to memory of 664	2040	explorer.exe	cmd.exe
PID 2040 wrote to memory of 664	2040	explorer.exe	cmd.exe
PID 2040 wrote to memory of 664	2040	explorer.exe	cmd.exe
PID 2040 wrote to memory of 664	2040	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\Booking Declined.scr
"C:\Users\Admin\AppData\Local\Temp\Booking Declined.scr" /S
2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:792

C:\Users\Admin\AppData\Local\Temp\Booking Declined.scr
"C:\Users\Admin\AppData\Local\Temp\Booking Declined.scr"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:960

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Booking Declined.scr"
3⤵
- Deletes itself
PID:664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/664-74-0x0000000000000000-mapping.dmp

Download
memory/792-59-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/792-61-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/792-62-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download
memory/792-63-0x00000000050B0000-0x000000000515C000-memory.dmp

Filesize
688KB

Download
memory/792-64-0x0000000005160000-0x00000000051C6000-memory.dmp

Filesize
408KB

Download
memory/960-68-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Filesize
3.0MB

Download
memory/960-69-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/960-66-0x000000000041EB50-mapping.dmp

Download
memory/960-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1204-70-0x0000000005E80000-0x0000000005FAC000-memory.dmp

Filesize
1.2MB

Download
memory/1204-79-0x0000000004350000-0x00000000043FE000-memory.dmp

Filesize
696KB

Download
memory/2040-71-0x0000000000000000-mapping.dmp

Download
memory/2040-72-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/2040-73-0x0000000074E51000-0x0000000074E53000-memory.dmp

Filesize
8KB

Download
memory/2040-76-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/2040-77-0x0000000000C00000-0x0000000000F03000-memory.dmp

Filesize
3.0MB

Download
memory/2040-75-0x0000000000F40000-0x00000000011C1000-memory.dmp

Filesize
2.5MB

Download
memory/2040-78-0x00000000025D0000-0x0000000002663000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads